I have two different web application built with ASP.net MVC. This two application may not be running in the same server nor in the same domain.
I would like that if a us
I think what you are after is CAS (Central Authentication Service) https://en.wikipedia.org/wiki/Central_Authentication_Service
there are numbers of CAS provider available. I would recommend you to check this out https://wiki.jasig.org/display/CAS/Home
it will give you number of out-of-the-box solutions exist to enable web services written in a specific language, or based on a framework, to use CAS. This will help you implement a SSO solution in a matter of hours